package com.cy.pj.goods.service;

import com.cy.pj.goods.dao.GoodsDao;
import com.cy.pj.goods.pojo.Goods;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

/**
 * 此对象负责商品模块的业务逻辑处理
 * 1）通过数据层对象访问业务数据
 * 2）通过日志对象记录日志
 * 3）通过第三方框架进行权限控制
 * ....
 */

@Service
public class GoodsServiceImpl implements GoodsService{
    private static final Logger log = LoggerFactory.getLogger(GoodsServiceImpl.class);

    @Autowired
    private GoodsDao goodsDao;
    @Override
    public List<Goods> findGoods() {
        long t1 = System.currentTimeMillis();
        log.info("start {}",t1);
        List<Goods> list = goodsDao.findGoods();
        long t2 = System.currentTimeMillis();
        log.info("start {}",t2);
        log.info("execute time {}",t2-t1);
        return list;
    }
}
